貧しい農家の出身を英語でなんと言うか？

別に、貧しい農家の出身出なくてもいいのだが、貧しい身分なら、come from humble beginnings と言えばいい。1:41 we come from humble beginnings. and every year we are reminded of that when we travel to Mexico to visit out beautiful family. 私たちは貧しい身分の出身で、毎年メキシコに里帰りして親族に会うたびにそのことを噛み締めます。

Dear Donald Trump, "You Should Get To Know More People Like My Dad"
https://www.youtube.com/watch?v=Wg8ZyaN7msw  8:14 and I could see what men — sometimes from very humble beginnings — were able to lift themselves with their boot strings and become international figures. 刑務所に27年間いて色々な本を読んだよ。ある伝記では貧しい農家の出身の青年でも自助努力をすればどん底から這い上がって偉大な人物になれることも学んだ。
'This Week' Sunday Spotlight: Koppel and Nelson Mandela Interview
https://www.youtube.com/watch?v=5lF8CSJ2cc4&NR=1  3:14 my mom came from such humble beginnings. 母はどん底から這い上がってきた。
Aaron Spelling Mansion Bought by Racing Heiress Petra Ecclestone: Inside Ecclestone's Fabulous Life
https://www.youtube.com/watch?v=AD8Kr0f1tEY  43:41 the cruise missile come a long way from its humble beginnings. 巡航ミサイルは原始的な始まりから進化を遂げてきた。
Cruise Missile